Results 31 to 40 of about 69,179 (216)
Control of nucleosome movement: To space or not to space nucleosomes? [PDF]
A key feature of ATP-dependent chromatin remodeling complexes is how they control the ability of the complex to translocate along DNA within the context of a nucleosome. Although these complexes generally initiate DNA translocation near the dyad axis of the nucleosome, the progression and eventual termination is regulated in quite distinct ways.
Blaine Bartholomew, Punit Prasad
openaire +3 more sources
The DNA-binding domain of the Chd1 chromatin-remodelling enzyme contains SANT and SLIDE domains [PDF]
The ATP-dependent chromatin-remodelling enzyme Chd1 is a 168-kDa protein consisting of a double chromodomain, Snf2-related ATPase domain, and a C-terminal DNA-binding domain.
Aasland+65 more
core +3 more sources
Loss of the frequently mutated chromatin remodeler ARID1A, a subunit of the SWI/SNF cBAF complex, results in less open chromatin, alternative splicing, and the failure to stop cells from progressing through the cell cycle after DNA damage in bladder (cancer) cells. Created in BioRender. Epigenetic regulators, such as the SWI/SNF complex, with important
Rebecca M. Schlösser+11 more
wiley +1 more source
Modeling the dynamics of bivalent histone modifications [PDF]
Epigenetic modifications to histones may promote either activation or repression of the transcription of nearby genes. Recent experimental studies show that the promoters of many lineage-control genes in stem cells have "bivalent domains" in which the ...
Girvan, Michelle+4 more
core +12 more sources
High-throughput sequencing reveals a simple model of nucleosome energetics
We use nucleosome maps obtained by high-throughput sequencing to study sequence specificity of intrinsic histone-DNA interactions. In contrast with previous approaches, we employ an analogy between a classical one-dimensional fluid of finite-size ...
A. V. Morozov+26 more
core +1 more source
The dynamics of individual nucleosomes controls the chromatin condensation pathway: direct AFM visualization of variant chromatin [PDF]
Chromatin organization and dynamics is studied in this work at scales ranging from single nucleosome to nucleosomal array by using a unique combination of biochemical assays, single molecule imaging technique and numerical modeling. We demonstrate that a
Akiyama+42 more
core +4 more sources
Long non‐coding RNAs (lncRNAs) occupy an abundant fraction of the eukaryotic transcriptome and an emerging area in cancer research. Regulation by lncRNAs is based on their subcellular localization in HNSCC. This cartoon shows the various functions of lncRNAs in HNSCC discussed in this review.
Ellen T. Tran+3 more
wiley +1 more source
Nucleosome destabilization by polyamines
The roles and molecular interactions of polyamines (PAs) in the nucleus are not fully understood. Here their effect on nucleosome stability, a key regulatory factor in eukaryotic gene control, is reported, as measured in agarose embedded nuclei of H2B-GFP expressor HeLa cells.
Laszlo Imre+9 more
openaire +3 more sources
Chromatin, which organizes DNA, changes its structure to adapt to stress like high oxygen levels (hyperoxia), which can damage cells. Researchers developed a technique to observe these changes and found variability in how different parts of chromatin remodel.
Lauren Monroe+4 more
wiley +1 more source
Quantitative Analysis of Single-Molecule Force Spectroscopy on Folded Chromatin Fibers
Single-molecule techniques allow for picoNewton manipulation and nanometer accuracy measurements of single chromatin fibers. However, the complexity of the data, the heterogeneity of the composition of individual fibers and the relatively large ...
Andresen, Kurt+2 more
core +2 more sources